Dec 20, 2010 · What exactly is a default constructor — can you tell me which one of the following is a default constructor and what differentiates it from any other constructor? public Module() { …

Jan 10, 2017 · A default (no-argument) constructor is automatically created only when you do not define any constructor yourself. If you need two constructors, one with arguments and one …

Feb 8, 2009 · I have a question about default constructors and inheritance in Java. Generally, if you write a class and do not include any constructor, Java provides automatically for you a …

If a no-arg constructor was exposed by default (and the class's creator didn't take defensive action), it would be possible for someone to inadvertently create an invalid object--an object …

My understanding is that the default constructor is an implicit parameterless constructor. It is only automatically added to a class when no other constructors exist. This would indicate an …

Apr 13, 2010 · 2 As has been said, if your constructor does not explicitly call super () with or without some argument, java will automatically call the default constructor of the superclass. …

Solution 2 (Using constructor to value all fields and relying on constructors chaining) and solution 4 (Giving a default value in field intializers for fields which constructors don't assign to them a …

In Java, if you don´t declare any constructor the compiler create a default constructor and this constructor call to super () method, that is parents constructor.

Jul 9, 2021 · You need a default constructor (constructor without any argument) in entities. This is needed because JPA/Hibernate uses the default constructor method to create a bean class …

Dec 26, 2014 · The default constructor is a constructor that the Java compiler adds to your code if no explicit constructor is available. The default constructor invokes the super class constructor …